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http://www.nature.com/news/near-blind-shark-is-world-s-longest-lived-vertebrate-1.20406
Surpasses the bowhead whale, which had been the longest-living vertebrate (211 years)
The team decided to measure levels of radioactive carbon-14 in fibres in the centre of the shark’s eye lens. Such measurements reflect levels of radiocarbon in the ocean when the lens was first formed. Measurements of 28 female Greenland sharks, made during surveys in 2010–13, suggested that the largest of them (at 5.02 metres long) must have been between 272 and 512 years old at the time.
Surpasses the bowhead whale, which had been the longest-living vertebrate (211 years)